| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 172 | 2.076,43 | 12,07 | 1 |
| 2007 | 279 | 5.832,53 | 20,91 | 1 |
| 2008 | 184 | 4.013,42 | 21,81 | 1 |
| 2009 | 352 | 6.083,78 | 17,28 | 2 |
| 2010 | 209 | 3.000,92 | 14,36 | 2 |
| 2011 | 214 | 3.324,33 | 15,53 | 2 |
| 2012 | 207 | 3.213,66 | 15,52 | 2 |
| 2013 | 189 | 2.753,04 | 14,57 | 2 |
| 2014 | 228 | 4.620,01 | 20,26 | 3 |
| 2015 | 168 | 3.862,28 | 22,99 | 2 |
| 2016 | 167 | 3.795,46 | 22,73 | 2 |
| 2017 | 156 | 3.533,14 | 22,65 | 2 |
| 2018 | 144 | 3.285,89 | 22,82 | 2 |
| 2019 | 132 | 2.516,07 | 19,06 | 2 |
| 2020 | 116 | 2.065,66 | 17,81 | 2 |
| 2021 | 390 | 8.253,10 | 21,16 | 3 |
| 2022 | 298 | 6.275,24 | 21,06 | 4 |
| 2023 | 329 | 7.357,93 | 22,36 | 6 |
| 2024 | 300 | 6.488,30 | 21,63 | 6 |
| totale | 4.234 | 82.351,19 | 19,45 | 47 |